Methamphetamine

Warning

Misuse or abuse of amphetamines may result in serious (possibly fatal) heart and blood pressure problems. Amphetamine-type medications can be habit-forming. Use only as directed. With long-term use, drug dependence may occur, which may cause withdrawal symptoms after stopping the drug. For weight loss, this medication should not be used long-term (more than a few weeks) and should only be used when other treatments have failed. Consult your doctor or pharmacist for more details.

Precautions

Before taking methamphetamine, tell your doctor or pharmacist if you are allergic to it; or to other sympathomimetic amines (e.g., dextroamphetamine); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: glaucoma, heart/blood vessel disease (e.g., coronary artery disease, angina, irregular heartbeat, valve disorders, heart failure, cardiomyopathy), problems with heart structure (e.g., valve problems), history of heart attack or stroke, moderate or severe high blood pressure (hypertension), overactive thyroid (hyperthyroidism), personal or family history of regular use/abuse of drugs/alcohol, certain mental/mood conditions (e.g., severe agitation, unusual/unrealistic thoughts, psychosis).

Before using this medication, tell your doctor or pharmacist your medical history, especially of: blood circulation problems (such as Raynaud's disease), diabetes, mild high blood pressure (hypertension), personal or family history of uncontrolled movements or outbursts of words/sounds (e.g., due to Tourette's syndrome), family history of sudden death/irregular heartbeat, family/personal history of mental/mood disorders (e.g., bipolar disorder, depression, psychotic disorder, suicidal thoughts), seizures.

This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.

If you have diabetes, check your blood sugar levels regularly as directed by your doctor. Your doctor may need to adjust your diabetes medication during treatment with this drug.

Before having surgery, tell your doctor or dentist that you are taking this medication.

Older adults may be more sensitive to the side effects of this drug, especially chest pain, trouble sleeping, or weight loss.

Caution is advised when using this drug in children because it may affect weight, growth rate, and final height. The doctor may recommend temporarily stopping the medication from time to time to reduce this risk. Monitor your child's weight and height, and consult your doctor or pharmacist for more details.

During pregnancy, this medication should be used only when clearly needed. Infants born to mothers who are dependent on this medication may be born too soon (premature) and have low birth weight. Discuss the risks and benefits with your doctor. They may also have withdrawal symptoms such as irritability, abnormal/persistent crying, or unusual tiredness. Tell your doctor immediately if you notice any of these symptoms in your newborn.

This drug passes into breast milk and could have undesirable effects on a nursing infant. Therefore, breast-feeding is not recommended while using this drug. Consult your doctor before breast-feeding.

Side Effects

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Seek immediate medical attention if any of these rare but very serious side effects occur: shortness of breath, chest/jaw/left arm pain, fainting, seizures, weakness on one side of the body, slurred speech, confusion.

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

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Drug information is selected from data included with permission and copyrighted by First DataBank, Inc. This is a summary and does not contain all possible information about this product. For complete information about this product or your specific health needs, ask your healthcare professional. Always seek the advice of your healthcare professional if you have any questions about this product or your medical condition. This information is not intended as individual medical advice and does not substitute for the knowledge and judgment of your healthcare professional. This information does not contain any assurances that this product is safe, effective or appropriate for you.

This information is intended only for residents of the United States. Products sold under the same brand names in other countries may contain different ingredients.

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